| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nerve gas ww1 | 1.94 | 0.9 | 1886 | 28 | 13 |
| nerve | 1.72 | 0.2 | 9659 | 23 | 5 |
| gas | 0.44 | 1 | 562 | 43 | 3 |
| ww1 | 0.9 | 0.2 | 178 | 35 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nerve gas ww1 | 1.98 | 0.5 | 3557 | 7 |
| was nerve gas used in ww1 | 0.22 | 0.4 | 2317 | 85 |
| was nerve gas used in ww2 | 1.72 | 0.3 | 9468 | 28 |
